| 1 |
13 |
serginhofr |
/*
|
| 2 |
|
|
* Any part of this program may be used in documents licensed under
|
| 3 |
|
|
* the GNU Free Documentation License, Version 1.1 or any later version
|
| 4 |
|
|
* published by the Free Software Foundation.
|
| 5 |
|
|
*/
|
| 6 |
|
|
|
| 7 |
|
|
#ifndef _PARPORT_H_
|
| 8 |
|
|
#define _PARPORT_H_
|
| 9 |
|
|
|
| 10 |
|
|
/* Start off with user-visible constants */
|
| 11 |
|
|
|
| 12 |
|
|
/* Maximum of 16 ports per machine */
|
| 13 |
|
|
#define PARPORT_MAX 16
|
| 14 |
|
|
|
| 15 |
|
|
/* Magic numbers */
|
| 16 |
|
|
#define PARPORT_IRQ_NONE -1
|
| 17 |
|
|
#define PARPORT_DMA_NONE -1
|
| 18 |
|
|
#define PARPORT_IRQ_AUTO -2
|
| 19 |
|
|
#define PARPORT_DMA_AUTO -2
|
| 20 |
|
|
#define PARPORT_DMA_NOFIFO -3
|
| 21 |
|
|
#define PARPORT_DISABLE -2
|
| 22 |
|
|
#define PARPORT_IRQ_PROBEONLY -3
|
| 23 |
|
|
#define PARPORT_IOHI_AUTO -1
|
| 24 |
|
|
|
| 25 |
|
|
#define PARPORT_CONTROL_STROBE 0x1
|
| 26 |
|
|
#define PARPORT_CONTROL_AUTOFD 0x2
|
| 27 |
|
|
#define PARPORT_CONTROL_INIT 0x4
|
| 28 |
|
|
#define PARPORT_CONTROL_SELECT 0x8
|
| 29 |
|
|
|
| 30 |
|
|
#define PARPORT_STATUS_ERROR 0x8
|
| 31 |
|
|
#define PARPORT_STATUS_SELECT 0x10
|
| 32 |
|
|
#define PARPORT_STATUS_PAPEROUT 0x20
|
| 33 |
|
|
#define PARPORT_STATUS_ACK 0x40
|
| 34 |
|
|
#define PARPORT_STATUS_BUSY 0x80
|
| 35 |
|
|
|
| 36 |
|
|
/* Type classes for Plug-and-Play probe. */
|
| 37 |
|
|
typedef enum {
|
| 38 |
|
|
PARPORT_CLASS_LEGACY = 0, /* Non-IEEE1284 device */
|
| 39 |
|
|
PARPORT_CLASS_PRINTER,
|
| 40 |
|
|
PARPORT_CLASS_MODEM,
|
| 41 |
|
|
PARPORT_CLASS_NET,
|
| 42 |
|
|
PARPORT_CLASS_HDC, /* Hard disk controller */
|
| 43 |
|
|
PARPORT_CLASS_PCMCIA,
|
| 44 |
|
|
PARPORT_CLASS_MEDIA, /* Multimedia device */
|
| 45 |
|
|
PARPORT_CLASS_FDC, /* Floppy disk controller */
|
| 46 |
|
|
PARPORT_CLASS_PORTS,
|
| 47 |
|
|
PARPORT_CLASS_SCANNER,
|
| 48 |
|
|
PARPORT_CLASS_DIGCAM,
|
| 49 |
|
|
PARPORT_CLASS_OTHER, /* Anything else */
|
| 50 |
|
|
PARPORT_CLASS_UNSPEC, /* No CLS field in ID */
|
| 51 |
|
|
PARPORT_CLASS_SCSIADAPTER
|
| 52 |
|
|
} parport_device_class;
|
| 53 |
|
|
|
| 54 |
|
|
/* The "modes" entry in parport is a bit field representing the
|
| 55 |
|
|
capabilities of the hardware. */
|
| 56 |
|
|
#define PARPORT_MODE_PCSPP (1<<0) /* IBM PC registers available. */
|
| 57 |
|
|
#define PARPORT_MODE_TRISTATE (1<<1) /* Can tristate. */
|
| 58 |
|
|
#define PARPORT_MODE_EPP (1<<2) /* Hardware EPP. */
|
| 59 |
|
|
#define PARPORT_MODE_ECP (1<<3) /* Hardware ECP. */
|
| 60 |
|
|
#define PARPORT_MODE_COMPAT (1<<4) /* Hardware 'printer protocol'. */
|
| 61 |
|
|
#define PARPORT_MODE_DMA (1<<5) /* Hardware can DMA. */
|
| 62 |
|
|
#define PARPORT_MODE_SAFEININT (1<<6) /* SPP registers accessible in IRQ. */
|
| 63 |
|
|
|
| 64 |
|
|
/* IEEE1284 modes:
|
| 65 |
|
|
Nibble mode, byte mode, ECP, ECPRLE and EPP are their own
|
| 66 |
|
|
'extensibility request' values. Others are special.
|
| 67 |
|
|
'Real' ECP modes must have the IEEE1284_MODE_ECP bit set. */
|
| 68 |
|
|
#define IEEE1284_MODE_NIBBLE 0
|
| 69 |
|
|
#define IEEE1284_MODE_BYTE (1<<0)
|
| 70 |
|
|
#define IEEE1284_MODE_COMPAT (1<<8)
|
| 71 |
|
|
#define IEEE1284_MODE_BECP (1<<9) /* Bounded ECP mode */
|
| 72 |
|
|
#define IEEE1284_MODE_ECP (1<<4)
|
| 73 |
|
|
#define IEEE1284_MODE_ECPRLE (IEEE1284_MODE_ECP | (1<<5))
|
| 74 |
|
|
#define IEEE1284_MODE_ECPSWE (1<<10) /* Software-emulated */
|
| 75 |
|
|
#define IEEE1284_MODE_EPP (1<<6)
|
| 76 |
|
|
#define IEEE1284_MODE_EPPSL (1<<11) /* EPP 1.7 */
|
| 77 |
|
|
#define IEEE1284_MODE_EPPSWE (1<<12) /* Software-emulated */
|
| 78 |
|
|
#define IEEE1284_DEVICEID (1<<2) /* This is a flag */
|
| 79 |
|
|
#define IEEE1284_EXT_LINK (1<<14) /* This flag causes the
|
| 80 |
|
|
* extensibility link to
|
| 81 |
|
|
* be requested, using
|
| 82 |
|
|
* bits 0-6. */
|
| 83 |
|
|
|
| 84 |
|
|
/* For the benefit of parport_read/write, you can use these with
|
| 85 |
|
|
* parport_negotiate to use address operations. They have no effect
|
| 86 |
|
|
* other than to make parport_read/write use address transfers. */
|
| 87 |
|
|
#define IEEE1284_ADDR (1<<13) /* This is a flag */
|
| 88 |
|
|
#define IEEE1284_DATA 0 /* So is this */
|
| 89 |
|
|
|
| 90 |
|
|
/* Flags for block transfer operations. */
|
| 91 |
|
|
#define PARPORT_EPP_FAST (1<<0) /* Unreliable counts. */
|
| 92 |
|
|
#define PARPORT_W91284PIC (1<<1) /* have a Warp9 w91284pic in the device */
|
| 93 |
|
|
|
| 94 |
|
|
/* The rest is for the kernel only */
|
| 95 |
|
|
#endif /* _PARPORT_H_ */
|
